Ответ:
\((-2x^3y^4)^3=(-2)^3x^{3\cdot3}y^{4\cdot3}=-8x^9y^{12}\).
\((4x-3y)^2=(4x)^2-2\cdot4x\cdot3y+(3y)^2=16x^2-24xy+9y^2\).
Ответ: 1) \(-8x^9y^{12}\); 2) \(16x^2-24xy+9y^2\).
\((-2x^3y^4)^3=(-2)^3x^{3\cdot3}y^{4\cdot3}=-8x^9y^{12}\).
\((4x-3y)^2=(4x)^2-2\cdot4x\cdot3y+(3y)^2=16x^2-24xy+9y^2\).
Ответ: 1) \(-8x^9y^{12}\); 2) \(16x^2-24xy+9y^2\).